Gianna Pederzini (10 February 1900 - 12 March 1988) was an Italian mezzo-soprano. Pederzini was born in Trento. She studied in Naples with Fernando de Lucia, and made her stage debut in Messina, as Preziosilla, in 1923. She sang widely in Italy, notably as Mignon and Carmen, and made her debut at the Teatro San Carlo in Naples, as Adalgisa, in 1928, and at the Teatro alla Scala in Milan, in 1930. Abroad, she appeared at the Royal Opera House in London in 1931, the Opéra de Paris in 1935, the Teatro Colón in 1938, and the Berlin State Opera in 1941.